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Trane E50 Series User Manual

Trane E50 Series
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BAS-SVX076C-EN
11
Supported Systems
The E50H2-T2 meter has a number of different possible system wiring configurations (Refer to
the table below and next section, Wiring Diagrams). To configure the meter, set the System Type
via the User Interface or by writing the Present_Value of AV2 with the system type value listed in
the following table. The system type tells the meter which of its current and voltage inputs are
valid, which are to be ignored, and if neutral is connected. Setting the correct system type
prevents unwanted energy accumulation on unused inputs, selects the formula to calculate the
Theoretical Maximum System Power, and determines which phase loss algorithm is to be used.
The phase loss algorithm is configured as a percent of the Line-to-Line System Voltage (except
when in System Type 10). In addition, it calculates the expected Line-to-Neutral voltages for
system types that have Neutral (12 & 40). Values that are not valid in a particular System Type
display as on the User Interface or as QQNNAANN in the BACnet objects.
NNoottee:: To avoid distortion, use parallel wires for control power and voltage inputs.
CTs
Voltage Connections System Type
Phase Loss Measurement
Wiring
Dia-
gram
#
Wires
Qty
ID
Qty
ID
Type
BACnet
Object
AV2
User
Inter-
face
(SET-
UP>S
SYS)
VLL VLN
Bal-
ance
Wiring
#
Single-Phase Wiring
2 1 A 2
A, N
L-N 10 1L+1n AN 1
2 1 A 2
A, B
L-L 11 2L AB 2
3 2
A,B
3
A, B,
N
L-L w/
N 12 2L+1n AB
AN,
AB
AN-
AB 3
Three-Phase Wiring
3 3
A, B, C
3
A, B, C
Delta 31 3L
AB,
BC,
CA
AB-
BC-
CA 4
4 3
A, B, C
4
A, B,
C, N
Grou-
nded
Wye
40 3L-1n
AB,
BC,
CA
AN,
BN,
CN
AN-
BN-
CN
and
AB-
BC-
CA
5,6

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Trane E50 Series Specifications

General IconGeneral
BrandTrane
ModelE50 Series
CategoryMeasuring Instruments
LanguageEnglish